APA (7th ed.) Citation

Romaine & DeWitt. (1998). A happy, healthy heart. Alpha Books.

Chicago Style (17th ed.) Citation

Romaine and DeWitt. A Happy, Healthy Heart. New York: Alpha Books, 1998.

MLA (8th ed.) Citation

Romaine and DeWitt. A Happy, Healthy Heart. Alpha Books, 1998.

Warning: These citations may not always be 100% accurate.